English edit

Etymology edit

crestfallen +‎ -ness

Noun edit

crestfallenness (uncountable)

  1. The quality of being crestfallen.
    • 1857, Edward Bulwer Lytton Lytton, What Will He Do with It?, volume 2, page 152:
      Everywhere a sullen look — everywhere that ineffable aspect of crestfallenness!